CN215910614U - Power supply over-temperature protection testing device - Google Patents
Power supply over-temperature protection testing device Download PDFInfo
- Publication number
- CN215910614U CN215910614U CN202121656499.3U CN202121656499U CN215910614U CN 215910614 U CN215910614 U CN 215910614U CN 202121656499 U CN202121656499 U CN 202121656499U CN 215910614 U CN215910614 U CN 215910614U
- Authority
- CN
- China
- Prior art keywords
- power supply
- interface
- electrically connected
- power
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses a power supply over-temperature protection testing device, which comprises a bottom shell, a cover body, a load resistor, a power supply board and a main control board, wherein the bottom shell is provided with a product placing area, an alternating current interface and a first switch, the power supply socket, load interface, second switch and communication interface, alternating current interface and first switch electric connection, first switch and power supply socket electric connection, be provided with the heat preservation chamber on the lid, install first heating element in the heat preservation intracavity, load resistance installs in the drain pan, load resistance and load interface electric connection, the input and the first switch electric connection of power strip, the power end and the power strip electric connection of main control board, main control board respectively with the second switch, communication interface, first heating element and load resistance electric connection, the main control board is used for controlling first heating element and carries out voltage detection to load resistance, and with the external output of communication interface of detection signal. The utility model can test the over-temperature protection function of the power adapter.
Description
Technical Field
The utility model relates to the technical field of power supply testing equipment, in particular to a power supply over-temperature protection testing device.
Background
The power supply assembly of the electronic equipment during the power adapter, along with the development of the technology, the power adapter not only meets the conventional power supply function, but also has an over-temperature protection function, so that the power adapter stops supplying power under the over-temperature condition to avoid burning out the power adapter. In order to test the over-temperature protection function of the power adapter, a test device needs to be designed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a power supply over-temperature protection testing device which can test the over-temperature protection function of a power supply adapter.
The power supply over-temperature protection testing device comprises a bottom shell, a first switch, a power supply socket, a load interface, a second switch and a communication interface, wherein a product placing area, an alternating current interface, the first switch, the power supply socket, the load interface, the second switch and the communication interface are arranged on the bottom shell; the cover body can cover the bottom shell, a heat preservation cavity which is adaptive to the product placing area is formed in the cover body, and a first heating assembly is installed in the heat preservation cavity; the load resistor is arranged in the bottom shell and is electrically connected with the load interface; the power panel is arranged in the bottom shell, and the input end of the power panel is electrically connected with the first switch; the main control board is installed in the bottom shell, a power end of the main control board is electrically connected with the power panel, the main control board is electrically connected with the second switch, the communication interface, the first heating assembly and the load resistor respectively, and the main control board is used for controlling the first heating assembly and carrying out voltage detection on the load resistor and outputting a detection signal to the outside through the communication interface.
The power supply over-temperature protection testing device provided by the embodiment of the utility model at least has the following beneficial effects:
when the power adapter to be detected is placed in the product placing area, the input end of the power adapter is connected with the power supply socket, the output end of the power adapter is connected with the load interface, the second switch is triggered to start testing after the cover body is covered, the main control board controls the first heating assembly to work, the temperature in the heat insulation cavity reaches the preset temperature, the main control board carries out voltage detection on the load resistor, and whether the power adapter triggers the over-temperature protection function or not can be detected.
According to some embodiments of the present invention, the main control board is provided with a power interface, a voltage stabilizing unit, a processing unit, and a heating control unit, a voltage sampling unit, a start switch unit and a communication interface unit which are respectively electrically connected to the processing unit, wherein an input end of the voltage stabilizing unit is electrically connected to the power interface and is electrically connected to the power board through the power interface unit, an input end of the heating control unit is electrically connected to the power interface, and an output end of the heating control unit is electrically connected to the first heating element.
According to some embodiments of the present invention, the main control board is further provided with a sensor interface unit, and the sensor interface unit is electrically connected to the processing unit and is used for connecting a temperature sensor.
According to some embodiments of the utility model, a temperature sensor is disposed within the bottom housing and within the product placement area, the temperature sensor being electrically connected to the main control board.
According to some embodiments of the present invention, a second heating element is disposed on the bottom case and in the product placement area, and the second heating element is electrically connected to the main control board.
According to some embodiments of the utility model, a heat insulating material is disposed between the second heat generating component and the bottom case.
According to some embodiments of the utility model, the cover body is filled with a thermal insulation material, and the thermal insulation cavity is arranged on the thermal insulation material.
According to some embodiments of the utility model, the thermal insulation material is further provided with a first avoidance hole and a second avoidance hole, the first avoidance hole being adapted to the power supply socket, the second avoidance hole being adapted to the load interface.
According to some embodiments of the utility model, the cover is hinged to the bottom shell, and a telescopic support rod is connected between the cover and the bottom shell.
According to some embodiments of the utility model, the front end of the cover is further provided with a handle.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a power over-temperature protection testing apparatus according to an embodiment of the present invention;
FIG. 2 is a second schematic structural diagram of a power over-temperature protection testing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the power supply over-temperature protection testing device according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a main control board of the power supply over-temperature protection testing apparatus according to the embodiment of the utility model.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means one or more, "a plurality" means two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and "greater than", "lower than", "inner", etc. are understood as including the present number. If the description of "first", "second", etc. is used for the purpose of distinguishing technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of indicated technical features or to implicitly indicate the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1 and fig. 2, the present embodiment discloses a power supply over-temperature protection testing apparatus, which includes a bottom case 100, a cover 200, a load resistor (not shown), a power board (not shown), and a main control board (not shown), wherein the bottom case 100 is provided with a product placement area 101, an ac interface 102, a first switch 103, a power supply socket 104, a load interface 105, a second switch 106, and a communication interface 107, the ac interface 102 is electrically connected to the first switch 103, the first switch 103 is electrically connected to the power supply socket 104, the first switch 103 is used as a main control switch for controlling on/off of a circuit between the ac interface 102 and the power supply socket 104, the cover 200 can cover the bottom case 100, the cover 200 is provided with a heat preservation cavity 201 adapted to the product placement area 101, the heat preservation cavity 201 is provided with a first heat generating assembly (not shown), the load resistor is installed in the bottom case 100, and the load resistor is electrically connected to the load interface 105, the power panel is installed in the bottom case 100, the input end of the power panel is electrically connected with the first switch 103, the main control panel is installed in the bottom case 100, the power end of the main control panel is electrically connected with the power panel, the power panel is used for converting alternating current into direct current, so as to provide working voltage for the main control panel, the main control panel is respectively electrically connected with the second switch 106, the communication interface 107, the first heating assembly and the load resistor, the main control panel is used for controlling the first heating assembly and detecting voltage of the load resistor, and detecting signals are output externally through the communication interface 107, wherein the second switch 106 is used for providing testing starting signals for the main control panel.
Referring to fig. 3, during testing, a power adapter to be tested is placed in the product placement area 101, an input end of the power adapter is electrically connected to the power supply socket 104, an output end of the power adapter is electrically connected to the load interface 105, after the cover body 200 is closed, the first switch 103 is turned on, the power adapter starts to work, then the second switch 106 is triggered to start testing, the main control board controls the first heating assembly to work to simulate the situation that the power adapter works in a high-temperature environment, so that the temperature in the heat preservation cavity 201 reaches a predetermined temperature, and after the power adapter triggers the over-temperature protection function, the power adapter stops supplying power, so that the main control board performs voltage detection on the load resistor, and can detect whether the power adapter triggers the over-temperature protection function.
Referring to fig. 4, the main control board is provided with a power interface 301, a voltage stabilizing unit 302, a processing unit 303, a heating control unit 304, a voltage sampling unit 305, a start switch unit 306 and a communication interface unit 307, which are electrically connected to the processing unit 303, respectively, an input end of the voltage stabilizing unit 302 is electrically connected to the power interface 301 and is electrically connected to the power board through the power interface 301, an input end of the heating control unit 304 is electrically connected to the power interface 301, an output end of the heating control unit 304 is used for electrically connecting to a first heating element, the voltage sampling unit 305 is electrically connected to a load resistor, a switch K1 in the start switch unit 306 is in contact connection with a second switch 106, the second switch 106 is pressed down to close a switch K1, and the start switch unit 306 is used for providing a pulse signal to the processing unit 303 to start a test; the communication interface unit 307 adopts an RS485 interface unit, correspondingly, the communication interface 107 adopts an RS485 interface, and the communication interface 107 is used for connecting an external computer and outputting a detection signal to the computer so as to facilitate the display, storage and analysis of the test data.
Referring to fig. 4, in order to detect whether the temperature condition triggered by the over-temperature protection of the power adapter meets the requirement, the main control board is further provided with a sensor interface unit 308, and the sensor interface unit 308 is electrically connected to the processing unit 303 and is used for connecting the temperature sensor 108. Correspondingly, a temperature sensor 108 is arranged in the product placement area 101 in the bottom case 100, the temperature sensor 108 is electrically connected with the main control board, and the temperature sensor 108 is used for detecting the temperature of the power adapter.
In order to make power adapter be heated evenly, be provided with second heating element (not shown) on drain pan 100 and in being located product placement area 101, second heating element and main control board electric connection, first heating element and the cooperation of second heating element can make two at least opposite faces of power adapter heated simultaneously, are favorable to improving the homogeneity that is heated. Wherein, the first heating component and the second heating component can adopt components and parts such as heating wires, heating sheets and the like.
In this embodiment, a heat insulating material (not shown) is disposed between the second heat generating component and the bottom case 100, and the heat insulating material can prevent heat generated by the second heat generating component from affecting devices such as a power board and a main control board inside the bottom case 100, which is beneficial to improving the stability of the operation.
Referring to fig. 1, the cover 200 is filled with a thermal insulation material 202, and the thermal insulation cavity 201 is disposed on the thermal insulation material 202, so that the thermal insulation material 202 can reduce heat loss, thereby facilitating to accelerate the temperature in the thermal insulation cavity 201 and improve the efficiency.
The thermal insulation material 202 is further provided with a first avoidance hole 203 and a second avoidance hole 204, the first avoidance hole 203 is adapted to the power supply socket 104, and the second avoidance hole 204 is adapted to the load interface 105. Of course, the power supply socket 104 and the load interface 105 may be of a sunken design to avoid interference between the insulation 202 and the power adapter wiring.
Referring to fig. 1, in order to facilitate the covering between the cover 200 and the bottom case 100, the cover 200 is hinged to the bottom case 100, a telescopic supporting rod 401 is further connected between the cover 200 and the bottom case 100, the telescopic supporting rod 401 is used for supporting the cover 200 after the cover 200 is opened, so as to facilitate the replacement of the power adapter by an operator, and a handle 402 is further disposed at the front end of the cover 200, so as to facilitate the operator to open the cover 200.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides a power supply excess temperature protection testing arrangement which characterized in that includes:
the bottom shell (100) is provided with a product placing area (101), an alternating current interface (102), a first switch (103), a power supply socket (104), a load interface (105), a second switch (106) and a communication interface (107), the alternating current interface (102) is electrically connected with the first switch (103), and the first switch (103) is electrically connected with the power supply socket (104);
the cover body (200) can cover the bottom case (100), a heat preservation cavity (201) which is adapted to the product placement area (101) is arranged on the cover body (200), and a first heating assembly is installed in the heat preservation cavity (201);
the load resistor is arranged in the bottom shell (100) and is electrically connected with the load interface (105);
the power panel is arranged in the bottom shell (100), and the input end of the power panel is electrically connected with the first switch (103);
the main control board is installed in the bottom case (100), the power end of the main control board is electrically connected with the power panel, the main control board is electrically connected with the second switch (106), the communication interface (107), the first heating assembly and the load resistor respectively, and the main control board is used for controlling the first heating assembly and detecting the voltage of the load resistor and outputting a detection signal to the outside through the communication interface (107).
2. The power supply over-temperature protection testing device according to claim 1, wherein the main control board is provided with a power interface (301), a voltage stabilizing unit (302), a processing unit (303), and a heating control unit (304), a voltage sampling unit (305), a start switch unit (306) and a communication interface unit (307) which are electrically connected with the processing unit (303), respectively, an input end of the voltage stabilizing unit (302) is electrically connected with the power interface (301) and is electrically connected with the power board through the power interface (301), an input end of the heating control unit (304) is electrically connected with the power interface (301), and an output end of the heating control unit (304) is used for being electrically connected with the first heating component.
3. The power supply over-temperature protection testing device according to claim 2, wherein a sensor interface unit (308) is further disposed on the main control board, and the sensor interface unit (308) is electrically connected to the processing unit (303) and is used for connecting the temperature sensor (108).
4. The power supply over-temperature protection testing device according to claim 1 or 3, wherein a temperature sensor (108) is arranged in the bottom case (100) and located in the product placement area (101), and the temperature sensor (108) is electrically connected with the main control board.
5. The power supply over-temperature protection testing device according to claim 1, wherein a second heating component is arranged on the bottom case (100) and in the product placement area (101), and the second heating component is electrically connected with the main control board.
6. The power supply over-temperature protection testing device according to claim 5, wherein a heat insulating material is arranged between the second heating component and the bottom case (100).
7. The power supply over-temperature protection testing device according to claim 1, wherein the cover body (200) is filled with a heat insulation material (202), and the heat insulation cavity (201) is arranged on the heat insulation material (202).
8. The power supply over-temperature protection testing device according to claim 7, wherein the thermal insulation material (202) is further provided with a first avoidance hole (203) and a second avoidance hole (204), the first avoidance hole (203) is adapted to the power supply socket (104), and the second avoidance hole (204) is adapted to the load interface (105).
9. The power supply over-temperature protection testing device according to claim 1, wherein the cover (200) is hinged to the bottom case (100), and a telescopic support rod (401) is further connected between the cover (200) and the bottom case (100).
10. The power supply over-temperature protection testing device according to claim 1 or 9, wherein a handle (402) is further provided at the front end of the cover body (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656499.3U CN215910614U (en) | 2021-07-20 | 2021-07-20 | Power supply over-temperature protection testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121656499.3U CN215910614U (en) | 2021-07-20 | 2021-07-20 | Power supply over-temperature protection testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215910614U true CN215910614U (en) | 2022-02-25 |
Family
ID=80289532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121656499.3U Active CN215910614U (en) | 2021-07-20 | 2021-07-20 | Power supply over-temperature protection testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215910614U (en) |
-
2021
- 2021-07-20 CN CN202121656499.3U patent/CN215910614U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101352307B (en) | Semiconductor chilling plate thermo-electric generation electronic temperature measurement pan | |
| CN215910614U (en) | Power supply over-temperature protection testing device | |
| CN208186451U (en) | A kind of kitchen range temperature measuring equipment | |
| CN204063179U (en) | Electromagnetic oven | |
| CN205506246U (en) | Aerify cabinet temperature rise testing arrangement | |
| CN213518023U (en) | Resistivity testing device with PID temperature control system and high resistance meter | |
| CN212255509U (en) | Constant high-temperature heating detection device | |
| CN207022367U (en) | Heat abstractor and battery detection equipment | |
| CN210611858U (en) | Electric control plate support, electric heating appliance and electric heating device | |
| CN211426341U (en) | High-temperature testing device suitable for different semiconductor products | |
| CN209435443U (en) | A kind of electric hot-water bag heating device | |
| CN206864796U (en) | A kind of wiring board | |
| CN207636742U (en) | A kind of product aging table apparatus of power module | |
| CN217211163U (en) | Temperature-resistant heat-insulation shell and thermometer | |
| CN213943170U (en) | Constant temperature and humidity test box for electronic product detection | |
| CN205807541U (en) | Electromagnetic oven assembly | |
| CN216747921U (en) | Leakage detection device suitable for high temperature environment | |
| CN221281115U (en) | Product integral type testing arrangement | |
| CN219162304U (en) | Explosion-proof detection device for integrated circuit board | |
| CN221426791U (en) | Distribution perception terminal experimental apparatus | |
| CN218917542U (en) | Charging and discharging module detection device | |
| CN218897303U (en) | Power supply controller and heating type electric appliance | |
| CN205641049U (en) | Temperature protective device and cooking device | |
| CN210401562U (en) | Multifunctional low-temperature tester | |
| CN221650525U (en) | Test device for designing semiconductor power device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |